#nocrimezone

“Snitches get stitches”

• Cute saying, sad reality

How can Baltimore become safer?

Improve schools

• Easier said than done
• Often controversial (NCLB, school choice)
• Can throw money at it, but taxes are already high

Improve the local economy

Reduce drug use (and trade, etc.)

• “Heroin capital of North America”
• Clear as day throughout city

Get guns off of the streets

Improve policing

Cameras

Baltimore Police CCTV

Johns Hopkins CCTV

• 1500 cameras on East Baltimore campus (?)
• Problems according to George Economas:
  • Lenses gets wet/dirty
  • Storing video
  • Poor resolution

Idea: Crowdsourced CCTV

Live demo (WCGW?)

https://vandomed.shinyapps.io/nocrimezone/

Technical points

• R packages
  • shiny, rtweet, mapview, sp
• Videos stored on YouTube
• Data is lightweight (YouTube URL + time of tweet + lat/long)

Some initial concerns

• Data usage
• Battery
• Using phone while recording

Why I’m excited about it

1. Free, immediate, non-governmental solution

Why I’m excited about it

1. Free, immediate, non-governmental solution
2. Lots of smartphones, lots of windows!

Why I’m excited about it

1. Free, immediate, non-governmental solution
2. Lots of smartphones, lots of windows!
3. Potential to increase arrest and conviction rates

Why I’m excited about it

1. Free, immediate, non-governmental solution
2. Lots of smartphones, lots of windows!
3. Potential to increase arrest and conviction rates
4. Gets around JHU’s CCTV problems (rain, storage, resolution)

Why I’m excited about it

1. Free, immediate, non-governmental solution
2. Lots of smartphones, lots of windows!
3. Potential to increase arrest and conviction rates
4. Gets around JHU’s CCTV problems (rain, storage, resolution)
5. 100% coverage doesn’t require (even close to) 100% participation

Why I’m excited about it

1. Free, immediate, non-governmental solution
2. Lots of smartphones, lots of windows!
3. Potential to increase arrest and conviction rates
4. Gets around JHU’s CCTV problems (rain, storage, resolution)
5. 100% coverage doesn’t require (even close to) 100% participation
6. Could impact opioid epidemic

Why I’m excited about it

1. Free, immediate, non-governmental solution
2. Lots of smartphones, lots of windows!
3. Potential to increase arrest and conviction rates
4. Gets around JHU’s CCTV problems (rain, storage, resolution)
5. 100% coverage doesn’t require (even close to) 100% participation
6. Could impact opioid epidemic
7. Scales

Why I’m excited about it

1. Free, immediate, non-governmental solution
2. Lots of smartphones, lots of windows!
3. Potential to increase arrest and conviction rates
4. Gets around JHU’s CCTV problems (rain, storage, resolution)
5. 100% coverage doesn’t require (even close to) 100% participation
6. Could impact opioid epidemic
7. Scales
8. Solves “snitches get stitches” problem (sort of)

Why I’m excited about it

1. Free, immediate, non-governmental solution
2. Lots of smartphones, lots of windows!
3. Potential to increase arrest and conviction rates
4. Gets around JHU’s CCTV problems (rain, storage, resolution)
5. 100% coverage doesn’t require (even close to) 100% participation
6. Could impact opioid epidemic
7. Scales
8. Solves “snitches get stitches” problem (sort of)
9. Wouldn’t it be nice…

Back to reality

• Legitimate privacy and stalking concerns

Thanks!